It's pretty rare, but I have already seen it with recent chips from a manufacturer. The manufacturer acknowledged afterward before the evidence: high exception rate, way higher than what avionics get up in the sky. Material of the package was changed and life went on with usual software bugs..
Comment While doing the research for the very first issue of Faultline, one IPTV specialist (who shall remain nameless) told us "you can't send video across the web", and proceeded to lecture us on the finer points of Quality of Service protocols.
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